[ 22.461538][ T347] GACT probability NOT on
[ 22.624447][ T350]
[ 22.624773][ T350] =============================
[ 22.624951][ T350] WARNING: suspicious RCU usage
[ 22.625165][ T350] 6.14.0-rc6-virtme #1 Not tainted
[ 22.625335][ T350] -----------------------------
[ 22.625766][ T350] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[ 22.626036][ T350]
[ 22.626036][ T350] other info that might help us debug this:
[ 22.626036][ T350]
[ 22.626346][ T350]
[ 22.626346][ T350] rcu_scheduler_active = 2, debug_locks = 1
[ 22.626572][ T350] 1 lock held by mausezahn/350:
[ 22.626736][ T350] #0: ffffffff96f5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[ 22.627037][ T350]
[ 22.627037][ T350] stack backtrace:
[ 22.627270][ T350] CPU: 3 UID: 0 PID: 350 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[ 22.627275][ T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.627277][ T350] Call Trace:
[ 22.627280][ T350]
[ 22.627282][ T350] dump_stack_lvl+0xb0/0xd0
[ 22.627291][ T350] lockdep_rcu_suspicious+0x1ea/0x280
[ 22.627303][ T350] dev_hard_start_xmit+0x2fc/0x3f0
[ 22.627313][ T350] __dev_queue_xmit+0xfaf/0x18d0
[ 22.627327][ T350] ? __pfx___dev_queue_xmit+0x10/0x10
[ 22.627332][ T350] ? packet_parse_headers+0x231/0x9c0
[ 22.627341][ T350] ? __pfx_sock_alloc_send_pskb+0x10/0x10
[ 22.627347][ T350] ? __pfx_packet_parse_headers+0x10/0x10
[ 22.627352][ T350] ? skb_copy_datagram_from_iter+0xe6/0x6f0
[ 22.627358][ T350] ? dev_get_by_index+0xb2/0x190
[ 22.627370][ T350] packet_snd+0xd0c/0x19d0
[ 22.627382][ T350] ? __lock_release+0x103/0x460
[ 22.627385][ T350] ? __might_fault+0x11b/0x170
[ 22.627394][ T350] ? __pfx_packet_snd+0x10/0x10
[ 22.627396][ T350] ? trace_lock_acquire+0x14c/0x1f0
[ 22.627398][ T350] ? __might_fault+0x11b/0x170
[ 22.627405][ T350] ? lock_acquire+0x32/0xc0
[ 22.627412][ T350] ? __might_fault+0x11b/0x170
[ 22.627423][ T350] __sys_sendto+0x3c3/0x450
[ 22.627429][ T350] ? __pfx___sys_sendto+0x10/0x10
[ 22.627444][ T350] ? sock_ioctl+0x3b6/0x590
[ 22.627454][ T350] ? __pfx___up_read+0x10/0x10
[ 22.627463][ T350] ? do_user_addr_fault+0x374/0xe30
[ 22.627474][ T350] ? do_user_addr_fault+0x374/0xe30
[ 22.627481][ T350] __x64_sys_sendto+0xe0/0x1c0
[ 22.627485][ T350] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 22.627491][ T350] do_syscall_64+0xc1/0x1d0
[ 22.627500][ T350] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 22.627506][ T350] RIP: 0033:0x7f7eb70c8a4a
[ 22.627511][ T350] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
[ 22.627514][ T350] RSP: 002b:00007ffdee2977f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 22.627518][ T350] RAX: ffffffffffffffda RBX: 000000001dafc9d0 RCX: 00007f7eb70c8a4a
[ 22.627521][ T350] RDX: 0000000000000062 RSI: 000000001dafc5c2 RDI: 0000000000000005
[ 22.627523][ T350] RBP: 000000001dafc5c2 R08: 00007ffdee297800 R09: 0000000000000014
[ 22.627525][ T350] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 22.627526][ T350] R13: 0000000000000062 R14: 00007ffdee297800 R15: 0000000000000000
[ 22.627542][ T350]
[ 26.533950][ T439] Mirror/redirect action on
[ 85.934571][ C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 85.934967][ C0] CPU: 0 UID: 0 PID: 234 Comm: perl Not tainted 6.14.0-rc6-virtme #1
[ 85.934972][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 85.934974][ C0] Call Trace:
[ 85.934976][ C0]
[ 85.934979][ C0] dump_stack_lvl+0x82/0xd0
[ 85.934990][ C0] __report_bad_irq+0x5f/0x180
[ 85.934999][ C0] note_interrupt+0x66d/0x7f0
[ 85.935007][ C0] handle_irq_event+0x16d/0x1c0
[ 85.935013][ C0] handle_edge_irq+0x1fa/0xb60
[ 85.935024][ C0] __common_interrupt+0x82/0x170
[ 85.935031][ C0] common_interrupt+0x81/0xa0
[ 85.935040][ C0]
[ 85.935041][ C0]
[ 85.935044][ C0] asm_common_interrupt+0x26/0x40
[ 85.935050][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 85.935055][ C0] Code: 10 e8 b1 3d 87 fd 48 89 ef e8 f9 ad 87 fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d b5 0d 0f 6a <74> 0e 5b 5d c3 cc cc cc cc e8 2f df ac fd eb dc 0f 1f 44 00 00 5b
[ 85.935058][ C0] RSP: 0018:ffffc90000b27aa0 EFLAGS: 00000286
[ 85.935062][ C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff320a612
[ 85.935065][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff95f4b761
[ 85.935067][ C0] RBP: ffffffff99919b60 R08: 0000000000000001 R09: fffffbfff3205beb
[ 85.935069][ C0] R10: ffffffff9902df5f R11: ffff88800a298040 R12: 00000000ffffffff
[ 85.935071][ C0] R13: 0000000000000001 R14: ffffffff99919c68 R15: 00000000ffffffff
[ 85.935082][ C0] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 85.935090][ C0] uart_write+0x220/0x920
[ 85.935101][ C0] process_output_block+0x13e/0x790
[ 85.935107][ C0] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 85.935118][ C0] n_tty_write+0x40c/0x790
[ 85.935129][ C0] ? __pfx_n_tty_write+0x10/0x10
[ 85.935133][ C0] ? trace_lock_acquire+0x14c/0x1f0
[ 85.935137][ C0] ? __pfx_woken_wake_function+0x10/0x10
[ 85.935144][ C0] ? lock_acquire+0x32/0xc0
[ 85.935147][ C0] ? iterate_tty_write+0x8f/0x540
[ 85.935158][ C0] iterate_tty_write+0x222/0x540
[ 85.935165][ C0] ? tty_ldisc_ref_wait+0x28/0x80
[ 85.935173][ C0] file_tty_write.constprop.0+0x1cf/0x360
[ 85.935181][ C0] vfs_write+0xa87/0x11e0
[ 85.935190][ C0] ? __pfx_vfs_write+0x10/0x10
[ 85.935204][ C0] ? rseq_update_cpu_node_id+0xe6/0x140
[ 85.935215][ C0] ksys_write+0xf8/0x1d0
[ 85.935220][ C0] ? __pfx_ksys_write+0x10/0x10
[ 85.935232][ C0] do_syscall_64+0xc1/0x1d0
[ 85.935238][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.935241][ C0] RIP: 0033:0x7f49d3345b77
[ 85.935245][ C0] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
[ 85.935248][ C0] RSP: 002b:00007ffc90ae50d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 85.935250][ C0] RAX: ffffffffffffffda RBX: 00005641639572b0 RCX: 00007f49d3345b77
[ 85.935252][ C0] RDX: 0000000000000001 RSI: 00005641639572b0 RDI: 0000000000000001
[ 85.935254][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 85.935255][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 00005641639425e0
[ 85.935257][ C0] R13: 00005641639232a0 R14: 0000000000000001 R15: 00005641639425e0
[ 85.935272][ C0]
[ 85.935273][ C0] handlers:
[ 85.946316][ C0] [] serial8250_interrupt
[ 85.946679][ C0] Disabling IRQ #51